package jobOo;

public class Student {
    String name;
    int age;
    String className;
    String stuId;

    Student(){

    }
    Student(String name,int age){
        this.name=name;
        this.age=age;
    }
    Student(String name,int age,String className,String stuId){
        this.name=name;
        this.age=age;
        this.className=className;
        this.stuId=stuId;
    }
    void study(){
        System.out.println(name+"在学习...");
    }
    void sayHi(){
        System.out.println("大家好，我叫"+name+"，今年"+age+"岁了，所在班级"+className
                +"学号为："+stuId);
    }
    void playWith(String anotherName){
        System.out.println(name+"正在和"+anotherName+"一起玩");
    }
}

class ConsDemo1 {
    public static void main(String[] args) {
        Student zs=new Student();
        zs.name = "张三";
        zs.age = 23;
        zs.className = "2302";
        zs.stuId = "110";
        Student ls=new Student("李四",24);
        Student ww=new Student("王五",26,"2302","111");
        zs.sayHi();
        ls.sayHi();
        ww.sayHi();
    }
}

